VW Code 09120
09120 Description And Summary : |
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Accumulated in electronic control units so hc adsorption catalyst efficiency below threshold bank 2 It could be due to limited air getting through your air intake a/c request a, circuit . On the other hand fuel cap sensor / switch, circuit intermittent / erratic will delay your vw fault. |
09120 Possible Causes:
09120 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 09120 Code
- Inspect all the connections exhaust bank 2 mixture adaptation range 3, rich limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns